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Categorize the following according to their property:
  
 
Answer variants:
\(R-OCOO-R\)
Nap-
\(-CH_CH_3\)
\(-CH_4-CH_6\)
\(-C=O\)
Pent-
  
1. Class of compounds and its functional group:
 
Ketone-
 
2. Root words of hydrocarbons:
  
\(5\) -
 
3. Prefix for IUPAC Name:
 
Ethyl  -